[mythtv-users] alsa rate change on via8237 spdif
Nick Morrott
knowledgejunkie at gmail.com
Thu Jun 21 12:48:30 UTC 2007
On 21/06/07, Robin Gilks <g8ecj at gilks.org> wrote:
> I've been playing with asoundrc file on and off for 2 years trying to sort
> this out.
>
> All I want to do is pass all audio over the spdif (ac3) output. I know
> this will require a rate change (epsecially for CD audio) since the Via
> sound chip only supports 48KHz sample rate.
>
> The problem is that all the examples I've seen quote nvidia sound chips
> which allow the spdif port to be addressed as device 1:0 but I can't do
> that on my Epia SP13000. The output of 'aplay -l' gives:
>
> **** List of PLAYBACK Hardware Devices ****
> card 0: V8237 [VIA 8237], device 0: VIA 8237 [VIA 8237]
> Subdevices: 4/4
> Subdevice #0: subdevice #0
> Subdevice #1: subdevice #1
> Subdevice #2: subdevice #2
> Subdevice #3: subdevice #3
> card 0: V8237 [VIA 8237], device 1: VIA 8237 [VIA 8237]
> Subdevices: 1/1
> Subdevice #0: subdevice #0
No direct experience of this card - but you could ferret around in
/proc/asound whilst you are trying to get it working. The
/proc/asound/pcm file and /proc/asound/card0/ directory are good
places to start looking for information.
--
Nick
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